<SEC-DOCUMENT>0001921094-25-000664.txt : 20250613
<SEC-HEADER>0001921094-25-000664.hdr.sgml : 20250613
<ACCEPTANCE-DATETIME>20250613160357
ACCESSION NUMBER:		0001921094-25-000664
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20250613
DATE AS OF CHANGE:		20250613

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Guardant Health, Inc.
		CENTRAL INDEX KEY:			0001576280
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-MEDICAL LABORATORIES [8071]
		ORGANIZATION NAME:           	08 Industrial Applications and Services
		EIN:				454139254
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	001-38683
		FILM NUMBER:		251046392

	BUSINESS ADDRESS:	
		STREET 1:		3100 HANOVER STREET
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94304
		BUSINESS PHONE:		855-698-8887

	MAIL ADDRESS:	
		STREET 1:		3100 HANOVER STREET
		CITY:			PALO ALTO
		STATE:			CA
		ZIP:			94304

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Joyce Meghan V.
		CENTRAL INDEX KEY:			0001770749
		ORGANIZATION NAME:           	

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		THE BOSTON BEER COMPANY, INC.
		STREET 2:		ONE DESIGN CENTER PL., STE. 850
		CITY:			BOSTON
		STATE:			MA
		ZIP:			02210
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
<XML>
<?xml version="1.0" encoding="UTF-8"?><edgarSubmission xmlns="http://www.sec.gov/edgar/ownership" xmlns:com="http://www.sec.gov/edgar/common">
  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001770749</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0001576280</issuerCik>
      <issuerName>Guardant Health, Inc.</issuerName>
      <secFileNumber>001-38683</secFileNumber>
      <issuerAddress>
        <com:street1>3100 HANOVER STREET</com:street1>
        <com:city>PALO ALTO</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>94304</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>855-698-8887</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>Joyce Meghan V.</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Director</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Charles Schwab &amp; Co., Inc.</name>
        <address>
          <com:street1>3000 Schwab Way</com:street1>
          <com:city>Westlake</com:city>
          <com:stateOrCountry>TX</com:stateOrCountry>
          <com:zipCode>76262</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>3337</noOfUnitsSold>
      <aggregateMarketValue>157573.00</aggregateMarketValue>
      <noOfUnitsOutstanding>123888045</noOfUnitsOutstanding>
      <approxSaleDate>06/13/2025</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>02/04/2023</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Lapse - see remarks</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>GUARDANT HEALTH, INC.</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>3337</amountOfSecuritiesAcquired>
      <paymentDate>02/04/2023</paymentDate>
      <natureOfPayment>Equity Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Meghan V. Joyce</name>
        <address>
          <com:street1>3100 HANOVER STREET</com:street1>
          <com:city>PALO ALTO</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94304</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Guardant Health, Inc.</securitiesClassTitle>
      <saleDate>06/02/2025</saleDate>
      <amountOfSecuritiesSold>100</amountOfSecuritiesSold>
      <grossProceeds>4166.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <remarks>The shares sold in this filing were acquired and paid for between 02/04/2023 and 06/04/2025.</remarks>
    <noticeSignature>
      <noticeDate>06/13/2025</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>08/13/2024</planAdoptionDate>
      </planAdoptionDates>
      <signature>Meghan V. Joyce</signature>
    </noticeSignature>
  </formData>
</edgarSubmission>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
